Xiang Sheng DAC-02A DIY Discrete Opamp upgrade

I did get in the burson discrete opamps, only thing is the casing those opamps are a lot bigger. Burson discrete opamps wooow i was realy shocked about the difference i now hear. Loads of more air around the speakers lots of detail never heared came out of theĀ opa2604 Depth is amazing dito weightness i […]
Rotel RDG1520 DIY discrete opamp upgrade by Arthur.

It took a while but I had the discrete Op-amp built in my Rotel RDG 1520. I use it for streaming, internet radio and also as a DAC for my CD player. They sound wonderful. Much more timbre. Arthur.
HT Omega Claro Halo Soundcard DIY discrete opamp upgrade by Will Doug

This soundcard ( HT Omega Claro Halo Soundcard ) has four JRC4580 Opamps. The first two combines the polarity signals from the AK4396 DAC, then passes the combined signals to the other two opamps for amplification to the headphone and RCA outputs. Even though the manual says that you can change the first two opamps […]
Rotel RCD-965-BX DIY upgrade discrete opamps by Felix M.

Just received the new set of discrete OPAmps (latest revision) installed them and it was “plug & play” DIY upgrade. This set was with the DIP sockets installed. They fit perfect. The one you see in the photo near the heat sink doesn’t touch it at all. I would want to thank you for your […]
Advance Acoustic MCD 203 & Hypex UCD180HG DIY discrete opamp upgrade by Lucio A.

I have installed already your discrete opamp in my Advance Acoustic MCD 203 (photo1-2), and I am very glad. I am so enthusiastic that I would like install your opamp also in my diy power amp hypex UCD180HG Lucio A.
Headphone amp DIY discrete opamps upgrade

Arrived in the discrete opamp. I installed successfully, better than I thought. The first seconds is shown something different than before. After two hours I’m sure that better than any IC! And even where it is 100 hours? I’m not what you know so well! Congratulations to the opamp. Then think about other ways to […]
AudioTrak Prodigy 7.1e X-fi DIY discrete opamps upgrade by Haido

Very good musical improvement, even without complete burn in it sound better than my prev discrete opamp. Worthed for diy part upgrade =) Haido.
Cambridge Audio AZUR 640C CDP discrete opamp DIY upgrade

I am really impressed with this upgrade, as the Burson Audio parts have really taken this unit to a whole new level. Bass has become deeper & much controlled. Mids are excellently rich & warm, while highs are crystal clear, crisp, and natural. Sound stage has become more open with realistic depths. Overall presentation is […]
Audiotrak ImAmp DIY discrete opamp upgrade by Albert T.

Before the upgrade, in my opinion the Imamp was not exciting. It was ok/decent, but after the upgrade, it’s really exciting and some music detail that I never noticed before now is noticable. Btw, my source of music is Asus Xonar Essence STX (set to 24-bit, 44.1KHz). I’m using QED cable (50 cm) to hook […]
Audiolab 8000p DIY discrete opamp upgrade by Vasileios K.

…”Your DIY discrete opamp is worth every $$ i paid for . It transformed the sound of my (Audiolab 8000p) system. It is very natural , firm bass control , mid frequencies are outstanding. It is the first time that cymbals sound so real. I read the reviews but now i’m convinced by myself now.” […]
